import sys;

f=open(sys.argv[1]);

def leftAlpha(s):
	s2='';
	for i in range(0,len(s)):
		if s[i]>='A' and s[i]<='Z' or s[i]>='a' and s[i]<='z':
			s2=s2+s[i];

	return s2;

def getJournalName(s):
	beg=0; end=0;
	for i in range(0,len(s)):
		if s[i]=='{': 
			beg = i;
		if s[i]=='}':
			end=i;
	return s[beg+1:end].strip();

preAbbreviations = [
